CN214404048U

CN214404048U - Fire control high temperature mixed flow fan

Info

Publication number: CN214404048U
Application number: CN202120150261.7U
Authority: CN
Inventors: 赵兴标
Original assignee: Zhejiang Jingchuang Fan Co ltd
Current assignee: Zhejiang Jingchuang Fan Co ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-10-15
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses a fire control high temperature mixed flow fan, relate to the ventilation equipment field, including fan casing and the driving motor of fixed connection in the fan casing, driving motor is connected with the axis of rotation, fixed mounting has the impeller in the axis of rotation, the impeller is including cup jointing a plurality of blades at the wheel hub outer wall at epaxial wheel hub of rotation and fixed connection, a plurality of spacing grooves have all been seted up to wheel hub's both ends face, the axis of rotation is located wheel hub's both sides and has all cup jointed the solid fixed ring who is used for fixed wheel hub, gu fixed ring is used for the card to go into the stopper of spacing groove towards wheel hub's side fixedly connected with, gu fixed ring's lateral surface has seted up a plurality of screws, screw female connection has the holding screw to be used for with solid fixed ring fixed connection in the axis of rotation. The utility model discloses both make things convenient for the dismouting to wash, again can resources are saved, improve use value.

Description

Fire control high temperature mixed flow fan

Technical Field

The utility model relates to a ventilation equipment field, more specifically say, it relates to a fire control high temperature mixed flow fan.

Background

The mixed flow fan combines the characteristics of the traditional axial flow fan and the centrifugal fan, is a high-efficiency fan which is generally used in industry, the impeller of the mixed flow fan enables air to do centrifugal motion and axial motion, the motion of the air in the shell is mixed with two motion modes of axial flow and centrifugation, and the mixed flow fan has the advantages of simple and convenient installation, and is widely applied to ventilation and exhaust of large buildings, underground places, industrial and mining enterprises and the like.

The Chinese patent with publication number CN204344527U discloses a mixed flow fan, which has the technical key points that: the air conditioner comprises an outer box, wherein an air inlet and an air outlet are formed in the outer box; current collectors are arranged on the air inlet and the air outlet; a motor frame is arranged in the outer box, and a motor is arranged on the motor frame; a rotating shaft is arranged on the motor; the rotating shaft is fixedly provided with an impeller; two fixing rings are mounted on the rotating shafts on two sides of the impeller; the impeller is provided with a flow deflector, the outer diameter of the fixing ring is larger than that of the impeller, and the flow deflector is fixedly connected with the fixing ring.

Utilize two solid fixed rings to make the water conservancy diversion piece more firmly fix on the impeller in above-mentioned scheme, but because the impeller can constantly adhere to the dust in the use, need wash the maintenance after long-time the use, and current impeller all fixes completely in driving motor's axis of rotation, neither makes things convenient for the dismouting, and dismantles the back and also can cause the unstability of impeller installation because of the used repeatedly of screw, and then leads to wasing very troublesome.

Therefore, a new solution is needed to solve this problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fire control high temperature mixed flow fan in order to solve the problem.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a fire control high temperature mixed flow fan, includes fan casing and the driving motor of fixed connection in fan casing, driving motor is connected with the axis of rotation, fixed mounting has the impeller in the axis of rotation, the impeller is including cup jointing at a plurality of blades of epaxial wheel hub of rotation and fixed connection at the wheel hub outer wall, a plurality of spacing grooves have all been seted up to wheel hub's both ends face, the solid fixed ring that is used for fixed wheel hub has all been cup jointed in the both sides that the axis of rotation is located wheel hub, gu fixed ring is used for the card to go into the stopper in spacing groove towards wheel hub's side fixedly connected with, gu fixed ring's lateral surface has seted up a plurality of screws, screw female connection has tight set screw and is used for with fixed ring fixed connection in the axis of rotation.

Through adopting above-mentioned technical scheme, through setting up two solid fixed rings, gu fixed ring blocks into the spacing inslot through the stopper card, and then prescribe a limit to wheel hub's circumference and axial position, make the impeller stabilize better in the axis of rotation, and when needs wash the maintenance to the impeller, only need unscrew the solid set screw on the solid fixed ring of front side can dismantle solid fixed ring and impeller get off, and is simple and convenient, and only need when the screw condition such as smooth silk appears replace solid fixed ring can, both make things convenient for the dismouting to wash, again can resources are saved, and use value is improved.

The utility model discloses further set up to: and one end of the rotating shaft, which is far away from the driving motor, is sleeved with a hemispherical guide sleeve.

Through adopting above-mentioned technical scheme, because the uide bushing can be dismantled and be the hemisphere, the arc surface that utilizes the uide bushing can play the wind-guiding effect to can reduce the resistance of air current, increase the air inlet efficiency of this fan.

The utility model discloses further set up to: and a filter screen is fixedly arranged at the air inlet of the fan shell.

Through adopting above-mentioned technical scheme, through setting up the filter screen, can block it when large granule impurity is inhaled the air intake of fan casing, and then avoid large granule impurity to enter into the fan inside and with the condition that the blade bumps to play fine guard action to the blade, reduce daily maintenance.

The utility model discloses further set up to: the air inlet of the fan shell is fixedly connected with an outer flaring, and the outer flaring is in an arc horn shape which is easy for air collection and guide.

Through adopting above-mentioned technical scheme, through setting up outer flaring, can increase the intake, improve ventilation effect.

The utility model discloses further set up to: and a flow collecting and pressure stabilizing cover is fixedly connected to the inner side of the air outlet of the fan shell.

Through adopting above-mentioned technical scheme, through setting up the mass flow steady voltage cover, can reduce the disorder of fan casing air outlet department air current, and then play the effect of stabilizing the air current, improve air supply efficiency, also can reduce the noise because of the turbulent flow brings, have more the practicality.

The utility model discloses further set up to: the fan casing internal fixation is connected with the motor frame that is used for fixed driving motor, the intermediate position fixedly connected with of motor frame is used for the cover to overlap the installation ring cover in the driving motor outside.

Through adopting above-mentioned technical scheme, utilize the installation ring cover to cup joint driving motor for driving motor's fixed effect is more stable, and can let the wind that the blade introduced pass from the motor frame, makes the air current of horizontal motion not obstructed, and then takes away the heat when driving motor moves, plays fine radiating effect.

The utility model discloses further set up to: the end face, far away from the hub, of the mounting ring sleeve is fixedly connected with a plurality of uniformly distributed extending reinforcing strips, and the mounting ring sleeve and the extending reinforcing strips are fixedly connected with the driving motor through connecting screws.

Through adopting above-mentioned technical scheme, strengthen the strip through setting up the extension, neither influence driving motor's radiating effect, can further strengthen the installation stability to driving motor again, noise abatement's production.

The utility model discloses further set up to: the fan is characterized in that an annular lifting lug is fixedly connected to the upper portion of the outer side of the fan shell, a supporting frame is fixedly connected to the lower portion of the outer side of the fan shell, and a reinforcing edge is fixedly connected between the supporting frame and the fan shell.

Through adopting above-mentioned technical scheme, through setting up annular lug, can be convenient for hoist and mount this fan in the installation, set up the enhancement arris moreover, can strengthen the fastness of support frame, and then stability when improving the use.

The utility model discloses further set up to: the outer end edge of the limiting block is provided with an arc-shaped guide surface.

Through adopting above-mentioned technical scheme, through setting up the arc spigot surface, make things convenient for the stopper card to go into the spacing inslot, it is more convenient to install, and the assembly effect is better moreover.

To sum up, the utility model discloses following beneficial effect has:

the utility model discloses a set up two solid fixed rings, gu fixed ring blocks into the spacing inslot through the stopper card, and then prescribe a limit to wheel hub's circumference and axial position, make the impeller stabilize in the axis of rotation better, and when needs wash the maintenance to the impeller, only need unscrew the solid fixed ring of front side on the holding screw can dismantle a solid fixed ring and impeller get off, and is simple and convenient, and only need when the screw appears the circumstances such as smooth silk replace with solid fixed ring can, both make things convenient for the dismouting to wash, again can resources are saved, and use value is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention without a filter screen;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the point A of the present invention;

fig. 4 is a schematic view of a connection structure between the driving motor and the impeller of the present invention.

Reference numerals: 1. a fan housing; 101. flaring outside; 102. a flow-collecting pressure-stabilizing cover; 2. a drive motor; 3. a rotating shaft; 4. a hub; 5. a blade; 6. a fixing ring; 601. a limiting block; 7. tightening the screw; 8. a guide sleeve; 9. a filter screen; 10. a motor frame; 11. installing a ring sleeve; 12. extending the reinforcing strip; 13. a connecting screw; 14. an annular lifting lug; 15. a support frame; 16. and (4) reinforcing the edges.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

A fire-fighting high-temperature mixed flow fan, as shown in figures 1 and 2, fig. 3, as shown in fig. 4, including fan casing 1 and the driving motor 2 of fixed connection in fan casing 1, driving motor 2 is connected with axis of rotation 3, fixed mounting has the impeller in the axis of rotation 3, the impeller is including cup jointing wheel hub 4 and the a plurality of blades 5 of fixed connection at wheel hub 4 outer wall in 3, a plurality of spacing grooves have all been seted up to wheel hub 4's both ends face, fixed ring 6 that is used for fixed wheel hub 4 has all been cup jointed in 3 both sides of axis of rotation, fixed ring 6 is used for blocking the stopper 601 of spacing groove towards wheel hub 4's side fixedly connected with, the outer end edge of stopper 601 is provided with the arc spigot surface, a plurality of screws have been seted up to fixed ring 6's lateral surface, screw female connection has holding screw 7 to be used for with fixed ring 6 fixed connection in axis of rotation 3, and then prescribe a limit to wheel hub 4's circumference and axial position.

As shown in fig. 2 and 3, the hemispherical guide sleeve 8 is sleeved at one end of the rotating shaft 3, which is far away from the driving motor 2, the guide sleeve 8 can be detached, and the arc surface of the guide sleeve 8 can play a role in guiding wind, so that the resistance of air flow can be reduced, and the air inlet efficiency of the fan is increased.

As shown in fig. 2, the air intake fixed mounting of fan casing 1 has filter screen 9, filter screen 9 can block large granule impurity, and then avoid large granule impurity to enter into the fan inside and with the condition that 5 bumps, fan casing 1's outer flaring 101 of air intake fixedly connected with, the shape of outer flaring 101 is the circular arc loudspeaker form that easy air set led, can increase the intake, improve the ventilation effect, fan casing 1's the inboard fixedly connected with mass flow steady voltage cover 102 of air outlet, can reduce the disorder of fan casing 1 air outlet department air current, and then play the effect of stabilizing the air current, the noise abatement.

As shown in fig. 2 and 4, a motor frame 10 for fixing the driving motor 2 is fixedly connected in the fan housing 1, a mounting ring sleeve 11 for covering the motor frame 2 is fixedly connected to the middle position of the motor frame 10, a plurality of uniformly distributed extending reinforcing strips 12 are fixedly connected to the end surface of the hub 4 far away from the mounting ring sleeve 11, the mounting ring sleeve 11 and the extending reinforcing strips 12 are fixedly connected with the driving motor 2 through connecting screws 13, the heat dissipation effect of the driving motor 2 is not affected, the mounting stability of the driving motor 2 can be further enhanced, and the noise is reduced.

As shown in fig. 2, an annular lifting lug 14 is fixedly connected to the upper portion of the outer side of the fan casing 1, so that the lifting is convenient, a support frame 15 is fixedly connected to the lower portion of the outer side of the fan casing 1, and a reinforcing edge 16 is fixedly connected between the support frame 15 and the fan casing 1, so that the firmness of the support frame 15 can be enhanced.

The working principle is as follows:

when the fan is installed and used, the driving motor 2 is fixedly installed in the fan shell 1, then one fixing ring 6 is sleeved on the rotating shaft 3 and fixed by the fastening screw 7, then the hub 4 of the impeller is sleeved on the rotating shaft 3, so that the limiting groove on one end face of the hub 4 is clamped with the limiting block 601 on the fixing ring 6 which is fixed firstly, at the moment, the other fixing ring 6 is sleeved on the rotating shaft 3, the limiting block 601 on the fixing ring 6 is clamped in the limiting groove on the other end face of the hub 4, the hub 4 is tightly attached to the two fixing rings 6, at the moment, the fastening screw 7 is screwed on the fixing ring 6, and finally the guide sleeve 8 is sleeved; when the impeller needs to be cleaned, the guide sleeve 8 is firstly disassembled, the fastening screw 7 on the fixing ring 6 on the front side is unscrewed, and then the fixing ring 6 and the impeller are taken down from the rotating shaft 3, so that the impeller is convenient to clean.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a fire control high temperature mixed flow fan, includes drive motor (2) of fan casing (1) and fixed connection in fan casing (1), its characterized in that: driving motor (2) are connected with axis of rotation (3), fixed mounting has the impeller in axis of rotation (3), the impeller is including cup jointing wheel hub (4) and a plurality of blades (5) of fixed connection at wheel hub (4) outer wall on axis of rotation (3), a plurality of spacing grooves have all been seted up to the both ends face of wheel hub (4), fixed ring (6) that are used for fixed wheel hub (4) have all been cup jointed in the both sides that axis of rotation (3) are located wheel hub (4), fixed ring (6) are used for the card to go into stopper (601) of spacing groove towards the side fixedly connected with of wheel hub (4), a plurality of screws have been seted up to the lateral surface of fixed ring (6), screw female connection has tightly decides screw (7) and is used for with fixed ring (6) fixed connection in axis of rotation (3).

2. The fire-fighting high-temperature mixed-flow fan as claimed in claim 1, wherein: and one end of the rotating shaft (3) far away from the driving motor (2) is sleeved with a hemispherical guide sleeve (8).

3. The fire-fighting high-temperature mixed-flow fan as claimed in claim 1, wherein: and a filter screen (9) is fixedly installed at an air inlet of the fan shell (1).

4. The fire-fighting high-temperature mixed-flow fan as claimed in claim 1, wherein: the air inlet of the fan shell (1) is fixedly connected with an outer flaring opening (101), and the outer flaring opening (101) is in an arc horn shape which is easy for air collection and guide.

5. The fire-fighting high-temperature mixed-flow fan as claimed in claim 1, wherein: and a flow collecting and pressure stabilizing cover (102) is fixedly connected to the inner side of an air outlet of the fan shell (1).

6. The fire-fighting high-temperature mixed-flow fan as claimed in claim 1, wherein: the fan is characterized in that a motor frame (10) used for fixing the driving motor (2) is fixedly connected into the fan shell (1), and a mounting ring sleeve (11) used for being sleeved on the outer side of the driving motor (2) is fixedly connected to the middle position of the motor frame (10).

7. The fire-fighting high-temperature mixed-flow fan as claimed in claim 6, wherein: the end face of the wheel hub (4) is kept away from by the installation ring sleeve (11), a plurality of evenly distributed extending reinforcing strips (12) are fixedly connected to the end face of the wheel hub (4), and the installation ring sleeve (11) and the extending reinforcing strips (12) are fixedly connected with the driving motor (2) through connecting screws (13).

8. The fire-fighting high-temperature mixed-flow fan as claimed in claim 1, wherein: the fan is characterized in that an annular lifting lug (14) is fixedly connected to the upper portion of the outer side of the fan shell (1), a supporting frame (15) is fixedly connected to the lower portion of the outer side of the fan shell (1), and a reinforcing edge (16) is fixedly connected between the supporting frame (15) and the fan shell (1).

9. The fire-fighting high-temperature mixed-flow fan as claimed in claim 1, wherein: the outer end edge of the limiting block (601) is provided with an arc-shaped guide surface.